Hastingsite-Magnesiohastingsite Series
A solid-solution series between two end-member minerals
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About Hastingsite-Magnesiohastingsite Series
Crystal System:
Monoclinic
Series Formula:
NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 to NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2
Unique Identifiers
Mindat ID:
8790
Long-form identifier:
mindat:1:1:8790:8
Chemical Analysis
Oxide wt%:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | 37.51 % | 43.12 % | 39.57 % | 38.86 % | 38.98 % | 40.29 % | 38.1 % | 41.31 % | 41.89 % | 41.50 % | 41.96 % | 38.42 % |
| TiO2 | 0.93 % | 2.72 % | 3.19 % | 3.02 % | 2.48 % | 0.02 % | 0.49 % | 0.50 % | 1.53 % | 2.96 % | 3.43 % | |
| Al2O3 | 13.01 % | 12.17 % | 9.33 % | 12.41 % | 10.62 % | 9 % | 9.21 % | 11.51 % | 11.15 % | 12.65 % | 6.89 % | 11.75 % |
| MnO | 1.71 % | 1.09 % | 0.5 % | 0.86 % | 0.76 % | 0.372 % | 0.49 % | 0.42 % | 0.25 % | 0.80 % | 0.35 % | |
| FeO | 25.13 % | 15.28 % | 24.15 % | 23.74 % | 24.28 % | 26.79 % | 33.1 % | 21.81 % | 21.68 % | 17.56 % | 18.29 % | 20.16 % |
| MgO | 3.49 % | 11.21 % | 4.88 % | 4.51 % | 5.12 % | 4.15 % | 1.20 % | 8.25 % | 8.37 % | 9.54 % | 9.00 % | 7.96 % |
| CaO | 8.17 % | 9.55 % | 10.33 % | 9.8 % | 10.62 % | 10.49 % | 9.28 % | 10.92 % | 11.38 % | 11.16 % | 10.00 % | 10.41 % |
| Na2O | 3.75 % | 5.52 % | 2.95 % | 2.89 % | 3.02 % | 2.09 % | 2.29 % | 1.93 % | 1.95 % | 1.56 % | 3.57 % | 2.78 % |
| K2O | 2.22 % | 1.50 % | 2.34 % | 1.46 % | 1.5 % | 2.99 % | 1.59 % | 1.61 % | 1.64 % | 1.53 % | 1.99 % | |
| F | 0.29 % | 0.060 % | 0.02 % | |||||||||
| Cl | 0.04 % | 0.01 % | 0.23 % | |||||||||
| ZrO2 | 0.18 % | 0.02 % | 0.22 % | |||||||||
| Cr2O3 | ||||||||||||
| Fe2O3 | ||||||||||||
| Total: | 96.25 % | 96.85 % | 96.7 % | 98.24 % | 97.98 % | 97.55 % | 96.652 % | 98.3 % | 98.95 % | 97.64 % | 95.22 % | 97.25 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 7 | (K0.63 Na0.37) 1.00 (Na0.36Ca1.64) 2.00 (Fe2+3.58Mg0.29Fe3+1.00Mn0.05Al0.08) 5.00(Si6.29 Al1.71) 8.00 O22[ (OH) 1.98 Cl0.02] 2.00 |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 1 | Serra do Felíssimo, Itarantim, Bahia, Brazil | Sample from nepheline syenite batolith. | |
| 2 | Jianchang, Donghai Co., Lianyungang, Jiangsu, China | Sample from symplectite in a kyanite-eclogite | |
| 3 | Motzfeldt Centre, Igaliku Complex, Kujalleq, Greenland | Sample from a alkali-poor syenite | |
| 4 | Elchuru Complex, Prakasam District, Andhra Pradesh, India | Sample from nepheline syenite | |
| 5 | Marinkas Kwela, Karasburg West, ǁKaras Region, Namibia | Sample from a larvikite/pulaskite | |
| 6 | Red Hill, Moultonborough, Carroll County, New Hampshire, USA | Sample from a silica saturated syenite | |
| 7 | Ilímaussaq complex, Kujalleq, Greenland | The sample was collected from ilvaite bearing endoskarns formed by late-magmatic to hydrothermal veins on the south coast of the Tunulliarfik fjord. Mineral compositions were analyzed using a JEOL 8900 electron microprobe | |
| 8 | Roadcut Rv 5, Kvineset, Førde, Sunnfjord, Vestland, Norway | Analysis of a matrix amphibole from an amphibolite facies retrograded eclogite. EPMA analysis | |
| 9 | " " | Analysis of an amphibole in a symplectite in amphibolite facies retrograded eclogite. EPMA analysis | |
| 10 | Mud Tank Vermiculite Mine, Alcoota Station, Central Desert Region, Northern Territory, Australia | Average of 6 analyses. Sample is taken from a granulite, 2m from the contact of the Mud Tank carbonatite complex | |
| 11 | Motzfeldt Centre, Igaliku Complex, Kujalleq, Greenland | Sample from nepheline-syenite. When normalized, the analysis yields a low C value and a high A value. This often symptomatic for amphiboles containing undetected Li. | |
| 12 | Marinkas Kwela, Karasburg West, ǁKaras Region, Namibia | Average of several analyses of amphiboles from a monzodiorite. |
Crystallography of Hastingsite-Magnesiohastingsite Series
Crystal System:
Monoclinic
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0001269 | Hastingsite | Makino K, Tomita K (1989) Cation distribution in the octahedral sites of hornblendes sample O-H from Obira, Japan American Mineralogist 74 1097-1105 |  | 1989 | 0 | 293 | |
| 0014502 | Hastingsite | Makino K, Tomita K, Suwa K (1993) Effect of chlorine on the crystal structure of a chlorine-rich hastingsite Mineralogical Magazine 57 677-685 | | 1993 | West Ongul, East Antarctica | 0 | 293 |
| 0010840 | Magnesio-hastingsite | Walitzi E M, Walter F (1981) Verfeinerung der kristallstruktur eines basaltischen magnesio-hastingsites Zeitschrift fur Kristallographie 156 197-208 | | 1981 | Untertiefenbach, Austria | 0 | 293 |
CIF Raw Data - click here to close
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Hastingsite-Magnesiohastingsite Series in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Hastingsite-Magnesiohastingsite Series
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https://www.mindat.org/min-8790.html
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References for Hastingsite-Magnesiohastingsite Series
Reference List:
Localities for Hastingsite-Magnesiohastingsite Series
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Radersberg quarry, Dreis-Brück, Daun, Vulkaneifel, Rhineland-Palatinate, Germany